Supplementary table 1

<strong>Supplementary table 1. </strong>The differences between the experimental groups provided by statistical analyses are showed by different letters in the manuscript, and in more details here. Statistical analyses were performed by two-way ANOVA followed by Tukey’s t-test. * shows difference between Pioglitazone, Cold or Pioglitazone <em>plus</em> cold groups and Control group (* P&lt; 0.05, ** P&lt; 0.01 or *** P&lt; 0.001). <em>p</em> shows difference between Cold or Pioglitazone <em>plus</em> cold groups and Pioglitazone group (<em>p</em> P&lt; 0.05, <em>pp</em> P&lt; 0.01 or <em>ppp</em> P&lt; 0.001). <em>o </em>shows difference between Pioglitazone <em>plus</em> cold group and Cold group (<em>o</em> P&lt; 0.05, <em>oo</em> P&lt; 0.01 or <em>ooo</em> P&lt; 0.001).